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50 Cards in this Set
- Front
- Back
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staphylcoccus aureus
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cocci
gram postive facultatively anaerobic grows in clusters able to grow in 7.5% NaCl produces gold pigment ferments mannitol beta hemolytic produces coagulase produces an entertoxin in food causes skin infections, toxic shock |
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streptococcus
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cocci
gram positive grows singly or in chains catalase negative |
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name 4 groups of streptococcus
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pyogenic group
viridans group enterococcus lactic |
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pyogenic i.e.
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s. pyogenes=scarlet fever, rheumatic fever, strep throat
s. pneumanoiae=cocci in pairs causes 70% of bacterial pneumonia |
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viridan i.e.
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s. mutans-tooth decay
s. agalactiae |
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enterococcus
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s. faecium
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lactic i.e.
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s. lactis
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2 gram negative examples
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neisseria gonorrhoeae
neisseria meningitis |
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4 characterisitcs of gram negative
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oxidase positive
requires an atmosphere high in Co2 fastidious=grows on chocolate agar diagnosis-look in wbc for cocci in pairs |
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RODSSS (5 gram positive)
1. bacillus |
aerobic
sporeforming-endospores |
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name bacillus i.e.
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B. antracis causes anthrax
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rod gram positive 2
clostridium |
c. botulinum
c. tetani c.perfringens |
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c botulinum
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botulism-paralism
neurotoxins peventss formation of acetylcholine |
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c tetani
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causes tenatus
beta hemolytic a saprophyte-grows on dead tissues in wounds drum sticks spores |
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c. perfringens
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gangrene, food poisoning
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listeria monocytogenes
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causes meningitis in young children and people whose immune system has been damaged by other illnesses
causes abortions and still births |
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4 rod gram positive
cornyebacterium diptheriae |
pleomorphic-variable sizes and shapes
growth often in palisades-side by side exotoxin produced in thorat, diffused thoughout body, death usually due to heart damage |
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5 rod gram positive
mycobacterium |
diff. to kill bc of waxy coat
M. tuberculosis and M. Bovis causes tuberculosis in humans |
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under mycobacterium.....
m. leprae |
cause leprosy
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m. paratuberculosis
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may be related to chrons disease, an ulcerative infection of the entire gi tract
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12 gram negative rods
1 group enterobacteriaeceae |
has 4 sub categories
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name 4 sub categories
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escherichia/enterobacter
salmonella shigella proteus |
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eschericia and enterobacter
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produce acid and gas from lactose in 24 hrs.
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samonella
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does NOT produce lactose
not protelytic s. typhi causes typhoid fever: other species causes gastroenteritis |
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shigella
and i.e. |
similar to salmonella
s. dystenteriae |
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proteus
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protelytic
not pathogenic |
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2nd gram negative rod
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pseudomonas aureuginosa
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pseudomonas aureuginosa
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endotoxin, exotoxin identical in action to diptheria
causes fatal infections in ppl with sever burns or with cystic fibrosis otherwise harmless |
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legionella pnumophila
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obtains iron from hemoglobin of the host from air conditioners
causes a pneumonialike disease |
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yesinia pestis
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PLAGUE!
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yersinia pestis...plague
name three types |
bubonic-lymph system
pneumonic-lungs septicemic-blood |
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rat fleas carry plague from
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rats to humans
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francisella tularensis
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tularemia is...
from rabbits to humans |
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brucella
(animal one) |
b.abortus-cow most common
b.melitensis-goast b. suis-hog undulant fever...requires increased co2 for isolation |
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bordatella pertussis
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whooping cough
robutussin pertussin |
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haemophilus inflenzae
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a secondary invader-infects ppl who are already sick
blood fractions necessary-available on chocolate agar |
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haemophilus influenzae has 2 factos name and describe
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x factor-heme
v factor-NAD |
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9th gram neg. rod
rickettsia |
small!
obligate parasites: can be culturesd on chick embryos |
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name rickettsia i.e.
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R. prowazekii=typhus fever
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R. Ricketsee
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rocky mountain spotted fever, transmitted by ticks
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10 gram neg. rod
chlamydia energy parasite? occasionally? common? |
cannot syntheziae atp
psittacosis in birds-pneuomonia in humans sexually transmitted infection of genital areas |
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mycoplasma
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smaller than rickettiae
no cell wall reslembles protoplasts normal mouth inhabitant but M. pneumoniae causes walking pneumonia |
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last rod gram negative
bacteroides |
pleomorphic
cause ulcerative colitis similar to chrons disease but limited to inner layer of colon |
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3 spirals
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treponema pallidum
borellia burgdoferi helicobacter pylori |
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treponema pallidum
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motile cells
flexible cell walls diff. to gram stain causes syphilis |
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borelia burgdorferi
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causes lyme disease
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helicobacter pylori
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causes stomack ulcers
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waste water treatment
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primary
secondary tertiary |
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primary
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course filter or sedimentation
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secondary
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oxidize organic matter, reducew BOD
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